A. Product Description

Crossed Roller Bearing RB25040 (250x355x40 mm) Replace THK standard bearings

RB Standard Type (separable Outer Ring for Inner Ring Rotation)

RB25040 : RB standard type Crossed Roller Bearing is a bearing with thinnest possible inner and outer rings because the outer ring is split while the inner ring is integrated into the main body. It is being used in cases where a high rotational accuracy of the inner ring is required.

BYC RB25040 crossed roller bearings are lightweight, compact bearings with thinnest possible inner and outer rings with high rigidity, because of its vertical arrangement of cylindrical rollers with a 90°V groove through the separate spacers in the deep groove rolling surface. This special design allows just one bearing to carry loads in all directions including radial, axial and moment loads.

C. Feature of Crossed Roller Bearing

1. High accuracy and load capacity. Precision ground V grooved ways and rollers. 

2. Withstands force in any direction. Alternately crossed rollers 45º angle.

3. Easy Installation and get used to small spaces. Threaded mounting holes in standard pattern.

4. Factory preloaded for minimum axial play and low coefficient of friction.

D. Product Application

•Industrial Robotic arm,Reducer drive

•Percision Turntable,NC rotary table

•Rotation part of Machine tools

•Inspection instrument,Medical equipment

•Aero&Aviation equipment,Military radar etc

E. Installation & Cautions

Example of installation for Crossed Roller Bearings:

1.Inspect the parts before installing:Clean bearing bracket,main axle or other parts to remove dirt or grease.

2.Place the bearing into the bearing bracket and main axle:To match the design clearance ,keep the bearing horizontal and insert the bearing into the bearing bracket or axle.If it is hard to install,use a rubber hammer to slightly hit every part of the bearing,so that the bearing can be attention to the hitting force is too large.Afterwards,the matching status of bearing and basic face can be examined by checking the noise.For a interference fit,use heating or cooling to expand or shrink the parts for ease of installation. Be sure the bearing temperature does not exceed 80℃ . If the split inner or outer ring is acentric, please loosen the blots slightly and rotate the monolithic ring to adjust the concentricity of split ring, so that the bearing can be fit in the bracket.

3.Install the mounting disc:Place the mounting disc onto the bearing and align the screw holes, Screw all the bolts in the holes first and follow the orders show in below diagram when tightening bolts in diagonally opposite sequence,Do not tighten bolts randomly.

Cautions:

1.The normal operating temperature of Crossed roller bearing is 10-80℃, If it is over this range,please contact BYC.

2.If a foreign substance enters inside the bearing structure, the rotation route of the roller may be damage, or the bearing may fail.Please clean the bearing by refill the lubricant grease.

3.Please do not remove or apply force to the bolt and nut of the split bearing.

1. Industrial Neutral Packing,Package as your requirements.

2. Small size Bearings:Plastic vacuum packaging bag+Paper Box/Neutral Carton

3.Large size Bearings:Plastic film+Pergamyn paper+Roll tape+Wooden Box

4.Shipping:By air or By sea:DHL/TNT/UPS/EMS etc

2.Well-trained & experienced staff are to answer all your inquiries in English of course. 

3.OEM & ODM projects are highly welcomed. We have strong R&D team here to help. 

4.Your business relationship with us will be confidential to any third party. 

5.Good after-sale service offered, please get back if you got question

6.Nowadays, as a professional percision bearing manufacture, we are proud of continual innovation, flexible production, speedy delivery, rapid after-sales service(2 years) and quick response.

       Luoyang BoYing Bearing Co., Ltd,(BYC)is a professional manufacturer of high precision bearings, The main products of our company are crossed roller bearings, YRT rotary table bearings, crossed tapered roller bearings,cylindrical thrust roller bearing. The leading products include crossed roller bearing RB, RE, RU,RA,CRBC, CRBH, XSU, SX series, rotary table bearings YRT, YRTS,YRTM,ZKLDF series, crossed tapered roller bearing JXR, XR series, almost whole range of precision bearings. The accuracy grades are P5, P4, P2, and the size of inner ring are ranging from Φ50mm --- Φ1300mm. Our products are optimal for applications such as joints and swiveling units of industrial robots, swiveling tables of machining centers, precision rotary tables, medical equipment, measuring instruments and IC manufacturing machines,mainly to replace the imported bearings. Also, we can design,choose and manufacture  non-standard,large size precision bearings as customer requested.

Tel: +86-379-62275175

SKYPE: lyboying

MSN:  lyboying@ 

Email: lyboying@

http://bycbearing.en.china.cn  

MP: +86-15515365379